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Oracle 1z1-071 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Using Conversion Functions and Conditional Expressions	10%	- Use conditional IF THEN ELSE logic in a SELECT statement - Describe implicit and explicit data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions to data
Topic 2: Displaying Data from Multiple Tables Using Joins	15%	- View data that does not meet a join condition by using outer joins - Write SELECT statements to access data from more than one table using equijoins and non-equijoins - Cross join tables - Join a table to itself by using a self-join
Topic 3: Restricting and Sorting Data	6%	- Use ampersand substitution to restrict and sort output at runtime - Sort the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands - Limit the rows that are retrieved by a query
Topic 4: Using Single-Row Functions to Customize Output	10%	- Manipulate strings with character function in the SELECT and WHERE clauses - Manipulate dates with the date functions - Perform arithmetic with date data - Describe the differences between single-row and multiple-row functions - Manipulate numbers with the ROUND, TRUNC, and MOD functions
Topic 5: Retrieving Data Using the SQL SELECT Statement	5%	- Execute a basic SELECT statement - Differentiate between SQL statements and SQL*Plus commands - List the capabilities of SQL SELECT statements
Topic 6: Using Subqueries to Solve Queries	15%	- Write single-row and multi-row subqueries - Define subqueries - List the types of subqueries - Describe the types of problems that subqueries can solve
Topic 7: Working with Oracle Database SQL	8%	- Create a container database - Describe the Oracle Database architecture - Start up and shut down a database - Explain the installation of Oracle Database software
Topic 8: Using DDL Statements to Create and Manage Tables	14%	- Categorize the main database objects - Create a simple table - Alter table definitions - Drop, rename, and truncate tables - Describe the data types that are available for columns - Review the table structure
Topic 9: Controlling User Access	5%	- Grant privileges on tables and on a view - Differentiate system privileges from object privileges - Distinguish between granting privileges and roles
Topic 10: Manipulating Data	14%	- Insert rows into a table - Control transactions - Update rows in a table - Delete rows from a table - Describe each data manipulation language (DML) statement
Topic 11: Creating Other Schema Objects	10%	- Create and maintain indexes - Create, maintain, and use sequences - Create, modify, and retrieve data from a view - Create synonyms for database objects
Topic 12: Using Set Operators	5%	- Describe the order of precedence when the set operators are used - Use a set operator to combine multiple queries into a single query - Describe set operators
Topic 13: Reporting Aggregated Data Using Group Functions	15%	- Describe the use of group functions - Group data by using the GROUP BY clause - Identify the available group functions - Include or exclude grouped rows by using the HAVING clause

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Oracle Database SQL Sample Questions (Q94-Q99):

NEW QUESTION # 94
View the Exhibit and examine the descriptions of the DEPT and LOCATIOMS tables.

You want to update the CITY column of the DEPT table for all the rows with the corresponding value in the CITY column of the LOCATIONS table for each department.
Which SQL statement would you execute to accomplish the task?

A. UPDATE dept d
SET city = ALL (SELECT city
FROM locations l
WHERE d.location_id = l.location_id);
B. UPDATE dept d
SET city = ANY (SELECT city FROM locations l);
C. UPDATE dept d
SET city = (SELECT city
FROM locations l
WHERE d.location_id = l.location_id);
D. UPDATE dept d
SET city = (SELECT city FROM locations l)
WHERE d.location_id = l.location_id;

Answer: C

NEW QUESTION # 95
View the exhibit and examine the structure in ORDERSand ORDER_ITEMStables.

You need to create a view that displays the ORDER_ID, ORDER_DATE, and the total number of items in each order.
Which CREATEVIEWstatement would create the views successfully?

A. CREATE OR REPLACE VIEW ord_vu
AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id) ||
" NO OF ITEMS"
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BY o.order_id, o.order_date
WHITH CHECK OPTION;
B. CREATE OR REPLACE VIEW ord_vu (order_id, order_date)
AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)
" NO OF ITEMS"
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BY o.order_id, o.order_date;
C. CREATE OR REPLACE VIEW ord_vu
AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BY o.order_id, o.order_date;
D. CREATE OR REPLACE VIEW ord_vu
AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)
" NO OF ITEMS"
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BY o.order_id, o.order_date;

Answer: D

NEW QUESTION # 96
Which three are true about privileges?

A. Only users with the DBA role can create roles .
B. Only users with the GRANT ANY PRIVILEGE privilege can grant and revoke system privileges from other users.
C. Schema owners can grant object privileges on objects in their schema to any other user or role.
D. A combination of object and system privileges can be granted to a role.
E. All types of schema objects have associated object privileges .
F. Object privileges granted on a table automatically apply to all synonyms for that table.

Answer: B,C,D

Explanation:
A). Schema owners indeed can grant privileges on objects in their schema to other users or roles, making this statement true.
B). Roles in Oracle can be granted both object and system privileges, making this statement true as well.
C). Not all types of schema objects have associated object privileges. For example, synonyms do not have object privileges because they are just aliases for other objects.
D). The DBA role is a powerful role, but creating roles can be done by any user granted the necessary privileges, not just users with the DBA role.
E). Object privileges on a table do not automatically apply to all synonyms for that table. Synonyms are separate objects that must have privileges granted explicitly.
F). The privilege to grant system privileges is controlled by the GRANT ANY PRIVILEGE system privilege, making this statement true.
References:
* Oracle Database SQL Language Reference, 12c Release 1 (12.1): "Privileges"
* Oracle Database Security Guide, 12c Release 1 (12.1): "Administering User Privileges, Roles, and Profiles"

NEW QUESTION # 97
The user SCOTT who is the owner of ORDERS and ORDER_ITEMS tables issues the following GRANT command:
GRANT ALL
ON orders, order_items
TO PUBLIC;
What correction needs to be done to the above statement?

A. WITH GRANT OPTION should be added to the statement.
B. Separate GRANT statements are required for ORDERS and ORDER_ITEMS tables.
C. ALL should be replaced with a list of specific privileges.
D. PUBLIC should be replaced with specific usernames.

Answer: B

Explanation:
References:
http://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqljgrant.html

NEW QUESTION # 98
Examine the description of the PROMOTIONS TABLE:
You want to display the unique is promotion costs in each promotion category.
Which two queries can be used?

A. select DISTINCT promo_categoryIl 'has'||promol_cost as COSTS FROM promotions ORDER BY 1:
B. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
C. SELECT promo_cost, promo_category FROM promotions ORDER BY 1
D. SELECT DISTINCT promo_cost ||'in'IIDISTINCT promo_category promotions ORDER BY1:
E. SELECT promo_category, DISTINCT promo_cost FROM promotiong ORDER BY 2:

Answer: A,B

Explanation:
For displaying unique promotion costs in each promotion category from the PROMOTIONS table:
* A: SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1: This query correctly retrieves unique combinations of promo_category and promo_cost, sorting the results based on the promo_category.
* D: SELECT DISTINCT promo_category || ' has ' || promo_cost AS COSTS FROM promotions ORDER BY 1: This query correctly combines the category and cost into a single string for each unique combination, using string concatenation and the DISTINCT keyword to ensure uniqueness, sorting by the concatenated string.
Incorrect options:
* B: This does not ensure that the combinations of promo_cost and promo_category are unique because DISTINCT was not specified for both columns together.
* C: The syntax is incorrect; DISTINCT cannot be applied to a single column partway through a SELECT clause.
* E: This is syntactically incorrect as DISTINCT cannot be used twice in the way shown; it must apply to all columns if used at the beginning of a SELECT statement.

NEW QUESTION # 99
......

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